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Photosynthesis has unique isotopic signature

Geochemists report that photosynthesis leaves behind a unique calling card in the form of a chemical signature that is spelled out with stable oxygen isotopes. The findings suggest that similar isotopic signatures could exist for many biological processes, including some that are difficult to observe with current tools.

May 11th, 2015

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Automated counting of tumor cells in blood

Biological and medical scientists have been using flow cytometry to count cancer cells for the past 40 years. But the large instruments are expensive and can only be operated by trained personnel. By contrast the PoCyton cytometer is cheap to produce, no bigger than a shoebox, and automated.

May 6th, 2015

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Decoding DNA's phonebook

New clues about diseases like inflammatory bowel disorder may be found thanks to a new genomic interactions catalogue by a group of researchers in Japan and the United Kingdom.

May 4th, 2015

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How does nanotechnology work?